Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.312321E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:12:49+0800
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    1 Object 1

    AOE ID 52110
    NORAD ID 52110
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58981
    NORAD ID 58981
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3687 STARLINK-31339
    Time of Closest Approach 2026-10-21T00:11:19+0000
    Collision Probability (Pc) 1.312321E-6
    Conjunction Distance (km) 2.785 km
    Relative Speed (km/s) 12.079 km/s
    Conjunction Risk Parameters R (Radial): -2.769 | I (In-track): -0.169 | C (Cross-track): 0.229
    Collision Risk Index (CRI) 0.37
    X Position (km) -4849.134 -4846.974
    Position Y (km) 4623.423 4621.757
    Position Z (km) 1388.67 1388.114
    Velocity X (km/s) -2.332 -4.12
    Velocity Y (km/s) -4.234 -2.531
    Velocity Z (km/s) 5.911 -5.912

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3687 STARLINK-31339
    Semimajor Axis (a) 6843.363 km 6840.802 km
    Eccentricity (e) 0.000125 0.000204
    Inclination (i) 53.1585° 53.1602°
    RAAN 136.8729° 334.2743°
    Perigee Argument 84.7687° 88.5244°
    Mean Anomaly (M) 275.3459° 271.5992°
    Apogee 466.085 km 464.062 km
    Perigee 464.367 km 461.268 km
    Orbit Epoch 2026-10-18T23:38:15+0000 2026-10-19T02:08:17+0000

    STARLINK-3687 & STARLINK-31339 Collision Probability (Pc) Trend

    STARLINK-3687 & STARLINK-31339 Collision Probability (Pc) TrendNot Available

    STARLINK-3687 & STARLINK-31339 Miss Distance (Miss Distance) Trend

    STARLINK-3687 & STARLINK-31339 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3687Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31339Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3687Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31339Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3687

    No nearby objects data